exclude github mirror stage

1 job for 2.4-1 in 26 seconds (queued for 1 second)
Name Stage Failure
2.4 Image
WARNING: Error loading config file: /root/.docker/config.json: EOF
The push refers to repository [docker.io/ubleipzig/symfony-httpd]
facedb25215f: Preparing
a6345a29a00f: Preparing
82966e47bfba: Preparing
6d4d230cd470: Preparing
9c46f426bcb7: Preparing
denied: requested access to the resource is denied
ERROR: Job failed: exit code 1